B&C 6NSM51-8 6 Professional Neodymium Sealed Back Midrange 8 Ohm

Manufacturer Part Number: 6NSM51-8

The convenient 6NSM51-8 6 sealed back midrange from B&C Speakers is perfect for use in any high output 3-way speaker design. With 100 dB sensitivity and 250 watt RMS power handling. this midrange has enough output capability to keep up with the most powerful drivers. The cast aluminum housing provides ample heat dissipation and isolated the driver for easy installation.

Key Features:

• 2 voice coil and fiberglass former to handle up to 250 watts RMS
• High output midrange response with extremely low distortion
• Non-resonant cast aluminum rear chamber provides isolation and heat dissipation
• Waterproof treated paper cone for use in damp and wet locations

B&C 6NSM51-8 6 Professional Neodymium Sealed Back Midrange 8 Ohm

B&C Speakers' 6NSM51-8 6 sealed back midrange produces high efficiency midrange response from 300 to 6.000 Hz with remarkably low distortion. With a non-resonant cast aluminum rear chamber. the 6NSM51-8 can be easily installed into enclosures without the need for additional isolation. The motor system is powered by a high energy neodymium ring magnet for low weight and high efficiency. Treated with a waterproof coating. the naturally damped paper cone keeps unwanted resonances under control for smooth and accurate response. even when used in harsh conditions. B&C's NSM series dedicated narrow-bandwidth midranges offer the lowest distortion at given output of any midrange available. The 6NSM51-8 is the ideal midrange for use in high output direct radiation and front loaded horn 3-way speaker systems.

Product Details

BrandB&C SpeakersModel6NSM51-8Part Number294-5944UPC848864063393Unit of MeasureEachWeight5.4

Product Specifications

Nominal Diameter6-1/2Bolt Circle Diameter6.77Moving Mass Of Diaphragm (Mmd)13.5Power Handling (RMS)250 WattsPower Handling (MAX)500 WattsImpedance8ΩFrequency Response300 to 6.000HzSensitivity100dB 2.83V/1mVoice Coil Diameter2

Thiele-Small Parameters

Resonant Frequency (Fs)280HzDC Resistance (Re)5.4ΩVoice Coil Inductance (Le)0.15mHMechanical Q (Qms)5.4Electromagnetic Q (Qes)0.68Total Q (Qts)0.6Compliance Equivalent Volume (Vas)0.02ft3BL Product (BL)13.9T·mMaximum Linear Excursion (Xmax)2.8mmSurface Area of Cone (Sd)143cm2

Materials of Construction

Cone MaterialTreated PaperSurround MaterialClothVoice Coil Wire MaterialAluminumVoice Coil FormerFiberglassBasket / Frame MaterialCast AluminumMagnet MaterialNeodymium

Mounting Information

Overall Outside Diameter7.36Baffle Cutout Diameter5.94Depth4.45# Mounting Holes4

• Highly Recommended.
• Classic design.
• Top quality.
• Brand:B&C Speakers
• Multi-color

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Specifications

Brand	B&C Speakers
Manufacturer Part Number	6NSM51-8